[INFO] crate nbchan 0.1.3 is already in cache
[INFO] testing nbchan-0.1.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate nbchan 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nbchan 0.1.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nbchan 0.1.3
[INFO] finished tweaking crates.io crate nbchan 0.1.3
[INFO] tweaked toml for crates.io crate nbchan 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 552af32c9953bc4df23e6aadcc57f305c13c1fb6ba3d929705554486fb1cbb17
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "552af32c9953bc4df23e6aadcc57f305c13c1fb6ba3d929705554486fb1cbb17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "552af32c9953bc4df23e6aadcc57f305c13c1fb6ba3d929705554486fb1cbb17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552af32c9953bc4df23e6aadcc57f305c13c1fb6ba3d929705554486fb1cbb17", kill_on_drop: false }`
[INFO] [stdout] 552af32c9953bc4df23e6aadcc57f305c13c1fb6ba3d929705554486fb1cbb17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29642a78f0a87e81646a8187c24a44065a9442cb04e1286e6c5266ca03fd632d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "29642a78f0a87e81646a8187c24a44065a9442cb04e1286e6c5266ca03fd632d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nbchan v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "29642a78f0a87e81646a8187c24a44065a9442cb04e1286e6c5266ca03fd632d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29642a78f0a87e81646a8187c24a44065a9442cb04e1286e6c5266ca03fd632d", kill_on_drop: false }`
[INFO] [stdout] 29642a78f0a87e81646a8187c24a44065a9442cb04e1286e6c5266ca03fd632d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8b5f498f56a3e0bec63df5db4afacd9b0223ab55e918fb40aade51f3babb65d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8b5f498f56a3e0bec63df5db4afacd9b0223ab55e918fb40aade51f3babb65d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nbchan v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "b8b5f498f56a3e0bec63df5db4afacd9b0223ab55e918fb40aade51f3babb65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b5f498f56a3e0bec63df5db4afacd9b0223ab55e918fb40aade51f3babb65d", kill_on_drop: false }`
[INFO] [stdout] b8b5f498f56a3e0bec63df5db4afacd9b0223ab55e918fb40aade51f3babb65d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58b0a2d5c3ce132b61cc16c183aa59ce616e2b03fa0d3d3972464705b4dd07c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58b0a2d5c3ce132b61cc16c183aa59ce616e2b03fa0d3d3972464705b4dd07c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nbchan-4f52065c8f526f0b
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test mpsc::test::async_channel_works ... ok
[INFO] [stdout] test mpsc::test::sync_channel_works ... ok
[INFO] [stdout] test oneshot::test::send_and_recv_succeeds ... ok
[INFO] [stdout] test oneshot::test::unused ... ok
[INFO] [stdout] test queue::test::consumer_dropped_works ... ok
[INFO] [stdout] test queue::test::producer_dropped_works ... ok
[INFO] [stdout] test queue::test::single_enqueuing_works ... ok
[INFO] [stdout] test queue::test::single_producer_works ... ok
[INFO] [stdout] test oneshot::test::recv_fails ... ok
[INFO] [stdout] test oneshot::test::send_succeeds ... ok
[INFO] [stdout] test oneshot::test::send_fails ... ok
[INFO] [stderr]    Doc-tests nbchan
[INFO] [stdout] test queue::test::multiple_producer_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/oneshot.rs - oneshot::Sender<T>::send (line 82) ... ok
[INFO] [stdout] test src/oneshot.rs - oneshot::channel (line 41) ... ok
[INFO] [stdout] test src/oneshot.rs - oneshot (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58b0a2d5c3ce132b61cc16c183aa59ce616e2b03fa0d3d3972464705b4dd07c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b0a2d5c3ce132b61cc16c183aa59ce616e2b03fa0d3d3972464705b4dd07c2", kill_on_drop: false }`
[INFO] [stdout] 58b0a2d5c3ce132b61cc16c183aa59ce616e2b03fa0d3d3972464705b4dd07c2